diff --git a/CellFrame/python-cellframe.c b/CellFrame/python-cellframe.c
index af45ad84d765dbeeb27e887224924581f4cc1a2c..78d7bccd7895031b71ef7aac28268a44c4c71cb5 100644
--- a/CellFrame/python-cellframe.c
+++ b/CellFrame/python-cellframe.c
@@ -383,7 +383,7 @@ PyMODINIT_FUNC PyInit_libCellFrame(void){
             PyType_Ready( &DapChainAtomIter_DapChainAtomIterType ) < 0 ||
             PyType_Ready(&DapChainAtomPtr_DapChainAtomPtrType) < 0 ||
             PyType_Ready( &DapChainCell_DapChainCellObjectType ) < 0 ||
-//            PyType_Ready(&ChainCommonObject_ChainCommonType) < 0 ||
+            PyType_Ready(&DapChainCommonObject_DapChainCommonType) < 0 ||
 
             PyType_Ready( &DapChainCellIDObject_DapChainCellIDType) < 0 ||
             PyType_Ready( &DapChainCellIDObject_DapChainCellIDType) < 0 ||
@@ -484,7 +484,7 @@ PyMODINIT_FUNC PyInit_libCellFrame(void){
     PyModule_AddObject(module, "ChainAtomIter", (PyObject*)&DapChainAtomIter_DapChainAtomIterType);
     PyModule_AddObject(module, "ChainAtomPtr", (PyObject*)&DapChainAtomPtr_DapChainAtomPtrType);
     PyModule_AddObject(module, "ChainCell", (PyObject*)&DapChainCell_DapChainCellObjectType);
-//    PyModule_AddObject(module, "ChainCommon", (PyObject*)&ChainCommonObject_ChainCommonType);
+    PyModule_AddObject(module, "ChainCommon", (PyObject*)&DapChainCommonObject_DapChainCommonType);
 
 //    PyModule_AddObject(module, "ChainID", (PyObject*)&DapChainIDObject_DapChainIDType);
     PyModule_AddObject(module, "ChainCellID", (PyObject*)&DapChainCellIDObject_DapChainCellIDType);
diff --git a/modules/cellframe-sdk/common/include/wrapping_dap_chain_common.h b/modules/cellframe-sdk/common/include/wrapping_dap_chain_common.h
index d70c37d3b181ab0198c4f6c1572c7390da0d9d89..5a4fe6901b6575e9eeceb3c757a66fc2e8f4499d 100644
--- a/modules/cellframe-sdk/common/include/wrapping_dap_chain_common.h
+++ b/modules/cellframe-sdk/common/include/wrapping_dap_chain_common.h
@@ -531,6 +531,62 @@ static PyTypeObject DapChainSlowKindObject_DapChainSlowKindType = {
 };
 
 
+/*=================*/
+
+/**/
+typedef struct PyDapChainCommon{
+    PyObject_HEAD
+}PyDapChainCommonObject;
+
+PyObject * dap_chain_balance_to_coins_py(PyObject *self, PyObject *args);
+
+static PyMethodDef DapChainCommonMethodsDef[] = {
+        {"balanceToCoins", (PyCFunction)dap_chain_balance_to_coins_py, METH_VARARGS | METH_STATIC, ""},
+        {NULL, NULL, 0, NULL}
+};
+
+static PyTypeObject DapChainCommonObject_DapChainCommonType = {
+        PyVarObject_HEAD_INIT(NULL, 0)
+        "CellFrame.ChainCommon"  ,       /* tp_name */
+        sizeof(PyDapChainCommonObject),  /* tp_basicsize */
+        0,                               /* tp_itemsize */
+        0,                               /* tp_dealloc */
+        0,                               /* tp_print */
+        0,                               /* tp_getattr */
+        0,                               /* tp_setattr */
+        0,                               /* tp_reserved */
+        0,                               /* tp_repr */
+        0,                               /* tp_as_number */
+        0,                               /* tp_as_sequence */
+        0,                               /* tp_as_mapping */
+        0,                               /* tp_hash  */
+        0,                               /* tp_call */
+        0,                               /* tp_str */
+        0,                               /* tp_getattro */
+        0,                               /* tp_setattro */
+        0,                               /* tp_as_buffer */
+        Py_TPFLAGS_DEFAULT |
+        Py_TPFLAGS_BASETYPE,         /* tp_flags */
+        "Chain common object",          /* tp_doc */
+        0,		                         /* tp_traverse */
+        0,		                         /* tp_clear */
+        0,		                         /* tp_richcompare */
+        0,                               /* tp_weaklistoffset */
+        0,		                         /* tp_iter */
+        0,		                         /* tp_iternext */
+        DapChainCommonMethodsDef,         /* tp_methods */
+        0,                               /* tp_members */
+        0,                               /* tp_getset */
+        0,                               /* tp_base */
+        0,                               /* tp_dict */
+        0,                               /* tp_descr_get */
+        0,                               /* tp_descr_set */
+        0,                               /* tp_dictoffset */
+        0,                               /* tp_init */
+        0,                               /* tp_alloc */
+        PyType_GenericNew,               /* tp_new */
+};
+
 /*=================*/
 
 
diff --git a/modules/cellframe-sdk/common/src/wrapping_dap_chain_common.c b/modules/cellframe-sdk/common/src/wrapping_dap_chain_common.c
index 44c2d0f039f3e7911c29ee6532511e1c41184222..1ebdc0ce0a6cfb7775da4d22f9cf4b69effbc436 100644
--- a/modules/cellframe-sdk/common/src/wrapping_dap_chain_common.c
+++ b/modules/cellframe-sdk/common/src/wrapping_dap_chain_common.c
@@ -76,3 +76,13 @@ PyObject *dap_chain_net_srv_uid_from_str_py(PyObject *self, PyObject *args){
     ((PyDapChainNetSrvUIDObject*)obj)->net_srv_uid = dap_chain_net_srv_uid_from_str(str);
     return Py_BuildValue("O", obj);
 }
+
+PyObject * dap_chain_balance_to_coins_py(PyObject *self, PyObject *args){
+    (void)self;
+    uint64_t balance=0;
+    if (!PyArg_ParseTuple(args, "k", &balance)){
+        return NULL;
+    }
+    const char *str = dap_chain_balance_to_coins(dap_chain_uint128_to(balance));
+    return Py_BuildValue("s", str);
+}